Square kilometre

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Square kilometre (U.S. spelling: square kilometer), symbol km2, is a decimal multiple of SI unit of surface area square metre, one of the SI derived units.

1 km2 is equal to:

Conversely:

  • 1 m2 = 0.000 001 km2
  • 1 hectare = 0.01 km2
  • 1 square mile = 2.589 988 km2
  • 1 acre = 0.004 047 km2

Note: "km2" means square kilometre and not kilo–square metre. For example, 3 km2 is equal to 3 000 000 m2, not 3000 m2.

[edit] Comparative order

The 106 m2 orders of magnitude page gives comparisons with geographic areas.

A hectare (104 m2) is less than a square kilometre which is less than a square megametre (1012 m2).

[edit] See also

[edit] External links

Image:Nuvola apps kruler.pngThis standards- or measurement-related article is a stub. You can help Wikipedia by expanding it.
af:Vierkante kilometer

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Square kilometre

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